code: def grabclipboard(cls):
      if cls.has_clipboard:
          return np.zeros((9, 9, 3), np.uint8)
      else:
          return None
  
file_path: imageio/tests/test_grab.py
imports: import sys
  import numpy
  from pytest import raises
  import imageio.v2
  import imageio.plugins.grab
label_desc: Use image node_id 2 for calling the FakeImageGrab obj's underlying member method code with example usage: obj.grabclipboard(cls) and returns: np, None